US Bridges

Natchez Trace Park over Relief

Good

Hinds County, Mississippi · 6.7 Miles from Ms Route 4 · Structure no. 5570306P0000000

Built
1961
64 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
720
2024 count
Owner
Federal
National Park Service

About this bridge

Natchez Trace Park over Relief is a concrete culvert carrying Natchez Trace Park over Relief in Hinds County, Mississippi. It was built in 1961, so it is 64 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 720 vehicles a day, roughly 3% of them trucks, projected to reach 792 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 24.9 mi (40 km).

CarriesNatchez Trace Park
CrossesRelief
Location6.7 Miles from Ms Route 4
RouteFederal Lands Road 1
Coordinates32.22457, -90.55795
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length20 ft (6.2 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2024)
Projected traffic792 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$14,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Natchez Trace Park over Relief built?

It was built in 1961, making it 64 years old in 2025.

What condition is Natchez Trace Park over Relief in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Natchez Trace Park over Relief carry?

About 720 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Natchez Trace Park over Relief?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3.1 m).

Who owns Natchez Trace Park over Relief?

It is owned by the National Park Service.